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Chair Rail / Casing Moulding 3-1/2" - 1

Chair Rail / Casing Moulding 3-1/2" - 1

This chair rail/casing moulding 3-1/2" - 1 measures 3.500" wide by .750" thickness. The symmetrical profile is comprised of a 3/16" radius half round circle in the center, flanked by a bidirectional cyma reversa with a chamfered edge, joined to a 5/16" raised fillet attached to a 3/32" tall vertical line with a 35/87-degree chamfer on each side leaving a 7/32" thickness dimension on both thin sides of the design. Browse our backout category for a suitable relief cut for this detail, we have a few options to select from.

Try one of our 125% concentration ultimate CBN (cubic boron nitride) grinding wheels, finish grinding at 3000 rpm with a twenty-degree back clearance angle will create a superior micro edge on all your high-speed steel profile knives. Read this article or watch the videos to help better understand how to align a borazon wheel to axial constant position on a Weinig R960 profile grinder. During the machining process the knives will be capable of milling some of the finest quality architectural mouldings you have ever produced.

For knife quoting purposes use the calculator below, we have added only the important measurements, just determine the cutters you need. A brief detailed explanation on how to use the calculator is located here. Need some assistance with the dimensions? Print a copy of our fraction - decimal - millimeter chart, place it on the moulder to help operators save time and increase accuracy during machine setup.

Width = 3.500" / Depth of Cut = .595" (top knives) & .062" (bottom cutters).

Molding Knife Calculator

Moulding Size
(inches)

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Depth of Cut
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Grade of Steel

Subtotal

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Custom Moulding Template

$35.00
$35.00
$35.00

Total
(Template & 2 Knives)

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Note: If you’re experiencing trouble printing to Full Scale, Go to File, Print Preview. Change the “Shrink to Fit” option to 100%

To purchase a copy of this template ready dxf file for creating acrylic templates to produce knives please send $5.00 via PayPal.Me/MirrorReflections we will email you the dxf file shortly after payment is received.

Copyright © Mirror Reflections Inc. All rights reserved.